package cn.yqm.common.config;

import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * @author weiximei
 * @domain www.yqmshop.cn
 * @since 2023/7/23
 */
@Configuration
@Slf4j
public class CorsConfig {

    @Bean
    public CorsFilter corsFilter() {
        // 1.添加CORS配置信息
        CorsConfiguration config = new CorsConfiguration();
        // 放行哪些原始域
        config.addAllowedOriginPattern("*");
        // 是否发送Cookie信息
        config.setAllowCredentials(true);
        // 放行哪些原始域(请求方式)
        config.addAllowedMethod("*");
        // 放行哪些原始域(头部信息)
        config.addAllowedHeader("*");
        // 暴露哪些头部信息（因为跨域访问默认不能获取全部头部信息）
        // config.addExposedHeader("*");
        config.addExposedHeader("Content-Type");
        config.addExposedHeader("X-Requested-With");
        config.addExposedHeader("accept");
        config.addExposedHeader("Origin");
        config.addExposedHeader("Access-Control-Request-Method");
        config.addExposedHeader("Access-Control-Request-Headers");
        // 2.添加映射路径
        UrlBasedCorsConfigurationSource configSource = new UrlBasedCorsConfigurationSource();
        configSource.registerCorsConfiguration("/**", config);
        // 3.返回新的CorsFilter.
        return new CorsFilter(configSource);
    }

}
